Zongshou Lin;Jun Xu;
<正>The paper is about researching of a new binder filling material by the main raw material of phosphogypsum(PG).This paper analyzed the relation between the various components of system and the properties of the Phosphogypsum-based binder filling Material(PBBFM).Researched the fluidity,dehydration rate etc work performances of PBBFM,and the strength etc basic performance of the filling material,and also discussed the cementation mechanism of the new filling material by XRD and SEM.The results showed that the strength of PBBFM is high and the performance is good. In addition,the material makes full use of waste,costs low,and manufactures simple. So it has great economic and social benefits.
phosphogypsum;;filling material;;Solid waste utilization
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